diff options
Diffstat (limited to 'stack/gap/gap_utils.c')
| -rw-r--r-- | stack/gap/gap_utils.c | 436 |
1 files changed, 0 insertions, 436 deletions
diff --git a/stack/gap/gap_utils.c b/stack/gap/gap_utils.c deleted file mode 100644 index 3ef893d2b..000000000 --- a/stack/gap/gap_utils.c +++ /dev/null @@ -1,436 +0,0 @@ -/****************************************************************************** - * - * Copyright (C) 2009-2013 Broadcom Corporation - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at: - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - * - ******************************************************************************/ - -#include <string.h> -#include "bt_target.h" -#include "bt_utils.h" -#include "gap_int.h" - -/*****************************************************************************/ -/* G L O B A L GAP D A T A */ -/*****************************************************************************/ -#if GAP_DYNAMIC_MEMORY == FALSE -tGAP_CB gap_cb; -#endif - -/***************************************************************************** -** Callbacks passed to BTM - -** There are different callbacks based on the control block index so that -** more than one command can be pending at a time. -** NOTE: There must be 1 callback for each control block defined -** GAP_MAX_BLOCKS -** -** Also, the inquiry results event has its own callback; Not handled here! -******************************************************************************/ -static void btm_cback(UINT16 index, void *p_data) -{ - tGAP_INFO *p_cb; - tGAP_INQ_CMPL inq_cmpl; - - /* Make sure that the index is valid AND it is in use */ - if (index < GAP_MAX_BLOCKS && gap_cb.blk[index].in_use) - { - p_cb = &gap_cb.blk[index]; - - /* If the callback is non-NULL, call it with the specified event */ - switch (p_cb->event) - { - case GAP_EVT_INQUIRY_COMPLETE: - /* pass the number of results to caller */ - inq_cmpl.num_results = ((tBTM_INQUIRY_CMPL *)p_data)->num_resp; - - inq_cmpl.status = (((tBTM_INQUIRY_CMPL *)p_data)->status == BTM_SUCCESS) ? BT_PASS : GAP_ERR_PROCESSING; - - p_data = &inq_cmpl; - - GAP_TRACE_EVENT(" GAP Inquiry Complete Event (Status 0x%04x, Result(s) %d)", - inq_cmpl.status, inq_cmpl.num_results); - break; - - case GAP_EVT_DISCOVERY_COMPLETE: - if (*((UINT16 *) p_data)) - { - GAP_TRACE_EVENT(" GAP Discovery Complete Event(SDP Result: 0x%04x)", *((UINT16 *) p_data)); - } - else - { - GAP_TRACE_EVENT(" GAP Discovery Successfully Completed"); - } - - break; - - case GAP_EVT_REM_NAME_COMPLETE: - /* override the BTM error code with a GAP error code */ - ((tGAP_REMOTE_DEV_NAME *)p_data)->status = - gap_convert_btm_status ((tBTM_STATUS)((tBTM_REMOTE_DEV_NAME *)p_data)->status); - - GAP_TRACE_EVENT(" GAP Remote Name Complete Event (status 0x%04x)", ((tGAP_REMOTE_DEV_NAME *)p_data)->status); - - break; - }; - - if (p_cb->gap_cback) - p_cb->gap_cback(p_cb->event, p_data); - - /* Deallocate the control block */ - gap_free_cb(p_cb); - } -} - - -/*** Callback functions for BTM_CMPL_CB ***/ -void gap_btm_cback0(void *p1) -{ - btm_cback(0, p1); -} - -#if GAP_MAX_BLOCKS > 1 -void gap_btm_cback1(void *p1) -{ - btm_cback(1, p1); -} -#endif -#if GAP_MAX_BLOCKS > 2 -void gap_btm_cback2(void *p1) -{ - btm_cback(2, p1); -} -#endif - -/* There is only one instance of this because only 1 inquiry can be active at a time */ -void gap_inq_results_cb(tBTM_INQ_RESULTS *p_results, UINT8 *p_eir) -{ - tGAP_INFO *p_cb; - UINT8 index; - UNUSED(p_eir); - - GAP_TRACE_EVENT ("GAP Inquiry Results Callback (bdaddr [%02x%02x%02x%02x%02x%02x])", - p_results->remote_bd_addr[0], p_results->remote_bd_addr[1], - p_results->remote_bd_addr[2], p_results->remote_bd_addr[3], - p_results->remote_bd_addr[4], p_results->remote_bd_addr[5]); - GAP_TRACE_EVENT (" (COD [%02x%02x%02x], clkoff 0x%04x)", - p_results->dev_class[0], p_results->dev_class[1], p_results->dev_class[2], - p_results->clock_offset); - - /* Find the control block which has an Inquiry Active and call its results callback */ - for (index = 0, p_cb = &gap_cb.blk[0]; index < GAP_MAX_BLOCKS; index++, p_cb++) - { - /* Look for the control block that is using inquiry */ - if (p_cb->in_use && (p_cb->event == GAP_EVT_INQUIRY_COMPLETE)) - { - /* Notify the higher layer if they care */ - if (p_cb->gap_inq_rslt_cback) - p_cb->gap_inq_rslt_cback (GAP_EVT_INQUIRY_RESULTS, (tGAP_INQ_RESULTS *)p_results); - } - } -} - - -/******************************************************************************* -** -** Function gap_find_addr_name_cb -** -** Description Processes the remote name request event when the Find Addr by Name -** request is active. The following procedure takes place: -** 1. Check the resulting name (If return status is ok) -** 2. If name matches requested name, we're done, call the appl's callback -** with the BD ADDR. -** 3. Otherwise get the next BD ADDR out of the inquiry database and intiate -** another remote name request. -** 4. If there are no more BD ADDRs, then call the appl's callback with a FAIL -** status. -** -** Returns void -** -*******************************************************************************/ -void gap_find_addr_name_cb (tBTM_REMOTE_DEV_NAME *p) -{ - tGAP_FINDADDR_CB *p_cb = &gap_cb.findaddr_cb; - tGAP_FINDADDR_RESULTS *p_result = &p_cb->results; - - if (p_cb->in_use) - { - if (p->status == BTM_SUCCESS) - { - GAP_TRACE_EVENT(" GAP: FindAddrByName Rem Name Cmpl Evt (Status 0x%04x, Name [%s])", - p->status, p->remote_bd_name); - - /* See if the returned name matches the desired name; if not initiate another search */ - if (!strncmp ((char *)p_result->devname, (char *) p->remote_bd_name, strlen ((char *) p_result->devname))) - { - /* We found the device! Copy it into the return structure */ - memcpy (p_result->bd_addr, p_cb->p_cur_inq->results.remote_bd_addr, BD_ADDR_LEN); - p_result->status = BT_PASS; - } - else /* The name doesn't match so initiate another search */ - { - /* Get the device address of the next database entry */ - if ((p_cb->p_cur_inq = BTM_InqDbNext(p_cb->p_cur_inq)) != NULL) - { - if ((BTM_ReadRemoteDeviceName (p_cb->p_cur_inq->results.remote_bd_addr, - (tBTM_CMPL_CB *) gap_find_addr_name_cb, BT_TRANSPORT_BR_EDR)) == BTM_CMD_STARTED) - return; /* This routine will get called again with the next results */ - else - p_result->status = gap_convert_btm_status ((tBTM_STATUS) p->status); - } - else - p_result->status = GAP_EOINQDB; /* No inquiry results; we're done! */ - } - } - else - { - GAP_TRACE_EVENT(" GAP: FindAddrByName Rem Name Cmpl Evt (Status 0x%04x)", p->status); - p_result->status = gap_convert_btm_status ((tBTM_STATUS) p->status); - } - - /* If this code is reached, the process has completed so call the appl's callback with results */ - if (p_cb->p_cback) - p_cb->p_cback (GAP_EVT_FIND_ADDR_COMPLETE, (tGAP_FINDADDR_RESULTS *) p_result); - - /* Clear out the control block */ - p_cb->in_use = FALSE; - p_cb->p_cback = (tGAP_CALLBACK *) NULL; - } -} - -/******************************************************************************* -** -** Function gap_find_addr_inq_cb -** -** Description Processes the inquiry complete event when the Find Addr by Name -** request is active. This callback performs one of the two following -** steps: -** 1. If the remote name is retrieved automatically, the DB is searched -** immediately, and the results are returned in the appls callback. -** -** 2. If remote name is not automatic, retrieve the first BTM INQ -** database entry and initiate a remote name request. -** -** Returns void -** -*******************************************************************************/ -void gap_find_addr_inq_cb (tBTM_INQUIRY_CMPL *p) -{ - tGAP_FINDADDR_CB *p_cb = &gap_cb.findaddr_cb; - tGAP_FINDADDR_RESULTS *p_result = &p_cb->results; - - if (p_cb->in_use) - { - - GAP_TRACE_EVENT(" GAP: FindAddrByName Inq Cmpl Evt (Status 0x%04x, Result(s) %d)", - p->status, p->num_resp); - - if (p->status == BTM_SUCCESS) - { - /* Step 1: If automatically retrieving remote names then search the local database */ - if ((p_result->status = gap_find_local_addr_by_name (p_result->devname, p_result->bd_addr)) == GAP_NO_DATA_AVAIL) - { - /* Step 2: The name is not stored automatically, so a search of all devices needs to - * be initiated. - */ - if ((p_cb->p_cur_inq = BTM_InqDbFirst()) != NULL) - { - if ((BTM_ReadRemoteDeviceName (p_cb->p_cur_inq->results.remote_bd_addr, - (tBTM_CMPL_CB *) gap_find_addr_name_cb, BT_TRANSPORT_BR_EDR)) == BTM_CMD_STARTED) - return; /* Wait for the response in gap_find_addr_name_cb() */ - else - p_result->status = gap_convert_btm_status (p->status); - } - else - p_result->status = GAP_EOINQDB; /* No inquiry results; we're done! */ - } - } - else - p_result->status = gap_convert_btm_status (p->status); - - /* If this code is reached, the process has completed so call the appl's callback with results */ - if (p_cb->p_cback) - p_cb->p_cback (GAP_EVT_FIND_ADDR_COMPLETE, (tGAP_FINDADDR_RESULTS *) p_result); - - /* Clear out the control block */ - p_cb->in_use = FALSE; - p_cb->p_cback = (tGAP_CALLBACK *) NULL; - } -} - -/******************************************************************************* -** -** Function gap_find_local_addr_by_name -** -** Description Searches through the internal inquiry database for a device -** that has the same name as the one passed in. If found, the -** device address is filled in. -** -** NOTE: It only searches up to the first BTM_MAX_REM_BD_NAME_LEN -** bytes because the inquiry database uses tBTM_BD_NAME. -** -** Returns BT_PASS if the name was found and the device address is filled in -** GAP_EOINQDB if the name was not found in the database -** GAP_NO_DATA_AVAIL if the name is not saved with the inquiry -** -*******************************************************************************/ -UINT16 gap_find_local_addr_by_name (const tBTM_BD_NAME devname, BD_ADDR bd_addr) -{ - -/* If the remote name is retrieved automatically during an inquiry search the local db */ -#if (BTM_INQ_GET_REMOTE_NAME == TRUE) - tBTM_INQ_INFO *p_result; - - p_result = BTM_InqDbFirst(); - - while (p_result) - { - /* Check the entry for a device name match */ - if (!strncmp ((char *)devname, (char *)p_result->remote_name, BTM_MAX_REM_BD_NAME_LEN)) - { - memcpy (bd_addr, p_result->results.remote_bd_addr, BD_ADDR_LEN); - return (BT_PASS); - } - else - p_result = BTM_InqDbNext(p_result); - }; - - return (GAP_EOINQDB); -#else - UNUSED(devname); - UNUSED(bd_addr); - /* No data available because we are not automatically saving the data */ - return (GAP_NO_DATA_AVAIL); -#endif -} - - -/******************************************************************************* -** -** Function gap_allocate_cb -** -** Description Look through the GAP Control Blocks for a free one. -** -** Returns Pointer to the control block or NULL if not found -** -*******************************************************************************/ -tGAP_INFO *gap_allocate_cb (void) -{ - tGAP_INFO *p_cb = &gap_cb.blk[0]; - UINT8 x; - - for (x = 0; x < GAP_MAX_BLOCKS; x++, p_cb++) - { - if (!p_cb->in_use) - { - memset (p_cb, 0, sizeof (tGAP_INFO)); - - p_cb->in_use = TRUE; - p_cb->index = x; - p_cb->p_data = (void *)NULL; - return (p_cb); - } - } - - /* If here, no free control blocks found */ - return (NULL); -} - - -/******************************************************************************* -** -** Function gap_free_cb -** -** Description Release GAP control block. -** -** Returns Pointer to the control block or NULL if not found -** -*******************************************************************************/ -void gap_free_cb (tGAP_INFO *p_cb) -{ - if (p_cb) - { - p_cb->gap_cback = NULL; - p_cb->in_use = FALSE; - } -} - - -/******************************************************************************* -** -** Function gap_is_service_busy -** -** Description Look through the GAP Control Blocks that are in use -** and check to see if the event waiting for is the command -** requested. -** -** Returns TRUE if already in use -** FALSE if not busy -** -*******************************************************************************/ -BOOLEAN gap_is_service_busy (UINT16 request) -{ - tGAP_INFO *p_cb = &gap_cb.blk[0]; - UINT8 x; - - for (x = 0; x < GAP_MAX_BLOCKS; x++, p_cb++) - { - if (p_cb->in_use && p_cb->event == request) - return (TRUE); - } - - /* If here, service is not busy */ - return (FALSE); -} - - -/******************************************************************************* -** -** Function gap_convert_btm_status -** -** Description Converts a BTM error status into a GAP error status -** -** -** Returns GAP_UNKNOWN_BTM_STATUS is returned if not recognized -** -*******************************************************************************/ -UINT16 gap_convert_btm_status (tBTM_STATUS btm_status) -{ - switch (btm_status) - { - case BTM_SUCCESS: - return (BT_PASS); - - case BTM_CMD_STARTED: - return (GAP_CMD_INITIATED); - - case BTM_BUSY: - return (GAP_ERR_BUSY); - - case BTM_MODE_UNSUPPORTED: - case BTM_ILLEGAL_VALUE: - return (GAP_ERR_ILL_PARM); - - case BTM_WRONG_MODE: - return (GAP_DEVICE_NOT_UP); - - case BTM_UNKNOWN_ADDR: - return (GAP_BAD_BD_ADDR); - - case BTM_DEVICE_TIMEOUT: - return (GAP_ERR_TIMEOUT); - - default: - return (GAP_ERR_PROCESSING); - } -} |